Climatological Report (Daily)
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909
CDUS43 KLOT 072232
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
432 PM CST WED DEC 7 2016


...................................

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR DECEMBER 7 2016...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         27    109 PM  64    1916  37    -10       39
  MINIMUM         24    359 PM  -6    1882  23      1       27
  AVERAGE         26                        30     -4       33

PRECIPITATION (IN)
  TODAY            0.00          1.12 1980   0.09  -0.09      T
  MONTH TO DATE    0.50                      0.63  -0.13     0.39
  SINCE DEC 1      0.50                      0.63  -0.13     0.39
  SINCE JAN 1     34.70                     35.27  -0.57    35.37

SNOWFALL (IN)
  TODAY            0.0           6.9  1978   0.2   -0.2      0.0
  MONTH TO DATE    6.4                       1.5    4.9      1.3
  SINCE DEC 1      6.4                       1.5    4.9      1.3
  SINCE JUL 1      6.4                       2.9    3.5     12.5

DEGREE DAYS
 HEATING
  TODAY           39                        35      4       32
  MONTH TO DATE  226                       235     -9      199
  SINCE DEC 1    226                       235     -9      199
  SINCE JUL 1   1055                      1491   -436     1172

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1157                       843    314      806
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    14.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    75          1200 AM
 LOWEST     68           100 AM
 AVERAGE    72

..........................................................


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   37        64      1946
 MINIMUM TEMPERATURE (F)   23        -7      1882


SUNRISE AND SUNSET
DECEMBER  7 2016......SUNRISE   706 AM CST   SUNSET   420 PM CST
DECEMBER  8 2016......SUNRISE   707 AM CST   SUNSET   420 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$




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